He can who thinks he can, and he can't who thinks he can't. This is an inexorable, indisputable law.

He can who thinks he can, and he can't who thinks he can't. This is an inexorable, indisputable law.

认为自己做得到的人就做得到，认为自己做不到的人就做不到。这是一条不可阻挡的不争的定律。

-- Pablo Picasso 毕加索